Table 4. Agreement of duplicate probing depth measurements for intra-examiner A, intra-examiner B and inter-examiner A-B for facial and lingual surfaces (%).

Variation (mm)		Facial
	A	B	A-B
±0.0	55.7	57.9	49.8
±0.5	86.9	94.5	85.9
±1.0	98.8	100.0	98.5
±1.5	99.5	100.0	99.8
±2.0	100.0	100.0	100.0
		Lingual
±0.0	55.5	57.9	47.0
±0.5	84.3	90.6	82.4
±1.0	99.7	99.8	98.5
±1.5	100.0	100.0	99.8
±2.0	100.0	100.0	100.0